Aron Eisenberg, an actor who played the first Ferengi to join Starfleet in the Star Trek spin-off Star Trek: Deep Space Nine, died on Saturday. His death was reported by his wife in a Facebook post. The cause of death was not revealed, but Eisenberg had received two kidney transplants, most recently in 2015. He was 50 years old.

Cosmo Genovese, whose career as a TV and film script supervisor spanned 45 years and included Perry Mason, The A-Team and two Star Trek series, died Tuesday. He was 95.

William Morgan Sheppard, best known for his work in Star Trek: The Next Generation the series and subsequent Star Trek films, died Sunday. He was 86.

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Roger Perry, the veteran character actor who guest-starred on a memorable episode of the original Star Trek and portrayed Eastland headmaster Charles Parker on The Facts of Life, has died. He was 85.

Perry died Thursday night at his home in Indian Wells, California, after a battle with prostate cancer, his daughter, Dana Perry McNerney, told The Hollywood Reporter.

Survivors also include his wife since 2002, actress Joyce Bulifant, perhaps best known for playing the wife of Murray Slaughter (Gavin MacLeod) on The Mary Tyler Moore Show. Perry was previously married to Laugh-In star Jo Anne Worley from 1975 until their divorce in 2000.